package com.atguigu.gulimall.ware.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;

/**
 * @author wzb
 * @version V1.0
 * @Package com.atguigu.gulimall.order.config
 * @date 2022-08-24 16:29
 * @Copyright ©
 */
@Configuration
@Slf4j
public class MyRabbitConfig {


    @Autowired
    RabbitTemplate rabbitTemplate;

    /**
     * 使用JSON序列化机制，进行消息转换
     * @return
     */
    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }

//    @RabbitListener(queues = "stock.release.stock.queue")
//    public void handle(Message message){
//
//    }


    @Bean
    public Exchange stockEventExchange() {
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        TopicExchange topicExchange = new TopicExchange("stock-event-exchange", true, false);
        return topicExchange;
    }

    @Bean
    public Queue stockReleaseStockQueue() {
        //String name, boolean durable, boolean exclusive, boolean autoDelete,@Nullable Map<String, Object> arguments
        return new Queue("stock.release.stock.queue", true, false, false);
    }


    @Bean
    public Queue stockDelayQueue() {
        /**
         * x-dead-letter-exchange: stock-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        HashMap<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "stock-event-exchange");
        arguments.put("x-dead-letter-routing-key", "stock.release");
        arguments.put("x-message-ttl", 120000);

        return new Queue("stock.delay.queue", true, false, false, arguments);
    }

    @Bean
    public Binding stockReleaseBinding() {
        //String destination, DestinationType destinationType, String exchange, String routingKey,@Nullable Map<String, Object> arguments
        return new Binding(
                "stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",
                null);
    }

    @Bean
    public Binding stockLockedBinding() {
        //String destination, DestinationType destinationType, String exchange, String routingKey,@Nullable Map<String, Object> arguments
        return new Binding(
                "stock.delay.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked",
                null);
    }
}
